1101.1 Scope.
This chapter shall govern the design, installation, construction, and repair of refrigeration systems. Permanently installed refrigerant storage systems and other components shall be considered as part of the refrigeration system to which they are attached.
1101.1.1 Refrigerants other than ammonia.
Refrigeration systems using a refrigerant other than ammonia shall comply with this chapter, ASHRAE 15 and the International Fire Code.
Refrigeration systems containing carbon dioxide as the refrigerant shall also comply with IIAR CO2 .
1101.1.2 Ammonia refrigerant.
Refrigeration systems using ammonia refrigerant shall comply with IIAR 2 for system design, IIAR 3 for valves, IIAR 4 for installation, IIAR 5 for start-up, and IIAR 6 and shall not be required to comply with this chapter.